Western populations have decreased by 99% in that same timeframe. Discover what monarch caterpillars look like, as well as ...

From 2003 to 2019, amateur butterfly enthusiast Harlan Radcliff spent his lunch breaks observing butterflies on the grounds of the Camp Dodge military installation in central Iowa.

The study was one of several that assessed the effects of climate change on three species of butterflies whose populations are declining.

ASGA's vice president of science and innovation told sugarbeet growers the potential listing of monarch butterflies as ...

A 14-year-old Brazilian boy died after injecting himself with butterfly remains — with police investigating if it was part of a twisted online challenge, according to a report. Davi Nunes Moreira ...

Sarah Hilburn, a member of the Hill Country Master Naturalists, talks about monarch larva monitoring to a crowd of about 60 ...

The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with ...